[INFO] fetching crate yolol-runner 0.2.2...
[INFO] checking yolol-runner-0.2.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate yolol-runner 0.2.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate yolol-runner 0.2.2 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yolol-runner 0.2.2
[INFO] finished tweaking crates.io crate yolol-runner 0.2.2
[INFO] tweaked toml for crates.io crate yolol-runner 0.2.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding convert_case v0.4.0 (available: v0.6.0)
[INFO] [stderr]       Adding peg v0.7.0 (available: v0.8.4)
[INFO] [stderr]       Adding peg-macros v0.7.0 (available: v0.8.4)
[INFO] [stderr]       Adding peg-runtime v0.7.0 (available: v0.8.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8313cac646b6533e7f469fa272c886411466aef92dac24fe0eb8511f0ca70bad
[INFO] running `Command { std: "docker" "start" "-a" "8313cac646b6533e7f469fa272c886411466aef92dac24fe0eb8511f0ca70bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8313cac646b6533e7f469fa272c886411466aef92dac24fe0eb8511f0ca70bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8313cac646b6533e7f469fa272c886411466aef92dac24fe0eb8511f0ca70bad", kill_on_drop: false }`
[INFO] [stdout] 8313cac646b6533e7f469fa272c886411466aef92dac24fe0eb8511f0ca70bad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9b9aaac36449f27e60b599d6024c5b9a09eba518ebd71db25845ecd65b1a736
[INFO] running `Command { std: "docker" "start" "-a" "d9b9aaac36449f27e60b599d6024c5b9a09eba518ebd71db25845ecd65b1a736", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling peg-runtime v0.7.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]     Checking convert_case v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling peg-macros v0.7.0
[INFO] [stderr]     Checking peg v0.7.0
[INFO] [stderr]    Compiling concat-idents v1.1.5
[INFO] [stderr]    Compiling enum_dispatch v0.3.13
[INFO] [stderr]     Checking yolol-devices v0.3.3
[INFO] [stderr]     Checking yolol-runner v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Empty` and `Error` are never constructed
[INFO] [stdout]  --> src/ast.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Tree {
[INFO] [stdout]   |          ---- variants in this enum
[INFO] [stdout] 3 |     Empty,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 4 |     Error,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Tree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Empty` and `Error` are never constructed
[INFO] [stdout]  --> src/ast.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Tree {
[INFO] [stdout]   |          ---- variants in this enum
[INFO] [stdout] 3 |     Empty,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 4 |     Error,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Tree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.12s
[INFO] running `Command { std: "docker" "inspect" "d9b9aaac36449f27e60b599d6024c5b9a09eba518ebd71db25845ecd65b1a736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9b9aaac36449f27e60b599d6024c5b9a09eba518ebd71db25845ecd65b1a736", kill_on_drop: false }`
[INFO] [stdout] d9b9aaac36449f27e60b599d6024c5b9a09eba518ebd71db25845ecd65b1a736